
.top {
    background-image: url("../img/banner_qtah.jpg");
    height: 808px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: white;
}

.top div {

    /*height: 100px;*/
    /*margin: 5px;*/
}

.top > div:first-child {
    height: 141px;
    /*margin: auto;*/
    display: flex;
    justify-content: center;
}

.top > div:first-child > div {
    width: 80%;

    display: flex;
    justify-content: space-between;
}

.top > div:first-child > div > div:nth-child(2) {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/*导航*/

.top > div:nth-child(2) {
    height: 50px;
    background-color: rgb(230, 145, 55);
    display: flex;
    justify-content: center;
}

.top > div:nth-child(2) > div {
    width: 80%;

    display: flex;
    justify-content: space-around;
    align-items: center;
}

.top > div:nth-child(2) > div > div {
    height: 50px;
    line-height: 50px;
    padding: 0 20px;
    /*    行高*/
}

.top > div:nth-child(2) > div > div:hover {
    background-color: white;
    color: rgb(230, 145, 55);
}

/*广告*/
.top > div:nth-child(3) {
    display: flex;
    justify-content: center;
}

.top > div:nth-child(3) > div {
    width: 80%;
    height: 500px;
}

.top > div:nth-child(3) > div > div:nth-child(1) {
    font-size: 40px;
    font-family: 仿宋;
    margin: 50px 0 30px;
}

.top > div:nth-child(3) > div > div:nth-child(2) > div {
    margin: 5px 0;
}

.top > div:nth-child(3) > div > div:nth-child(3) {
    font-size: 25px;
}

.top > div:nth-child(3) > div > div:nth-child(3) > div {
    margin: 10px 0;
}

.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(1) {
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
}

/*odd*/
.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(1) > div:nth-child(even) {
    color: rgb(230, 145, 55);
    font-size: 30px;
}

.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(2) {
    color: rgb(230, 145, 55);
    font-size: 30px;
    text-indent: 1.7em;
}